skip to main content
US FlagAn official website of the United States government
dot gov icon
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
https lock icon
Secure .gov websites use HTTPS
A lock ( lock ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

Explore Research Products in the PAR
It may take a few hours for recently added research products to appear in PAR search results.


  • Home
  • Search Results
  • Page 1 of 1

Search for: All records

Creators/Authors contains: "Martinez-Lopez, Jose I."

Note: When clicking on a Digital Object Identifier (DOI) number, you will be taken to an external site maintained by the publisher. Some full text articles may not yet be available without a charge during the embargo (administrative interval).
What is a DOI Number?

Some links on this page may take you to non-federal websites. Their policies may differ from this site.

  1. ; ; ; ; ; (, IEEE Transactions on Microwave Theory and Techniques)
    Full Text Available 
  2. ; ; ; ; ; ; (, IEEE Transactions on Microwave Theory and Techniques)
    null (Ed.)
    Full Text Available 
  3. ; ; ; ; ; (, IEEE Transactions on Microwave Theory and Techniques)
    Full Text Available 
  4. ; ; ; (, 2018 IEEE MTT-S Latin America Microwave Conference (LAMC 2018))
    Class J has introduced a new rigorous framework for designing broadband PAs. However, the design of broadband Class-J amplifiers remains challenging, as the fundamental impedance termination is non-Foster when the 2 nd harmonic is Foster. In addition the peak instantaneous voltage varies by up to 50% as the frequency changes. In this paper, a generalized Class-J theory is introduced. Then a DC tunable broadband PA with constant instantaneous peak voltage and Foster fundamental and harmonic terminations is proposed. 
    more » « less
    Full Text Available 
  5. ; ; ; ; ; (, IEEE Access)